import { Component } from '@angular/core';
import { NavController,ItemSliding, ModalController} from 'ionic-angular';
import { Task } from './task';
import { HttpDataProvider } from '../../providers/http-data/http-data';
import { InputTaskPage } from '../input-task/input-task';

@Component({
  selector: 'page-tasklist',
  templateUrl: 'tasklist.html'
})
export class TaskListPage {
  tasks: Task[] = [];

  constructor(public navCtrl: NavController,
    public modalCtrl: ModalController,
    public httpData: HttpDataProvider
    ) {

  }

  ionViewDidLoad(){
    // this.tasks = [
    //   {title: '牛奶',status:'open'},
    //   {title: '鸡蛋',status:'open'},
    //   {title: '果汁',status:'open'},
    //   {title: '煎饼',status:'open'},
    // ];
    this.httpData.getTaskList().subscribe(tasks => {
      this.tasks = tasks;
       console.log(tasks);
    });
  }

  /**
   * 新增待办事项
   */
  addTask(){
    // let theNewTask: string = prompt("新任务");
    // if(theNewTask !==''){
    //   this.tasks.push({title: theNewTask,status:'open'});
    // }
    let addModal = this.modalCtrl.create(InputTaskPage);

    addModal.onDidDismiss((task:Task)=>{
      if(task){
        this.tasks.push(task);
      }
    });
      
    addModal.present();
  }

  editTask(task: Task){
    if(task.status === 'done')
    return;
    const index : number = this.tasks.indexOf(task);
    let editModal = this.modalCtrl.create(InputTaskPage,{task : task});

    editModal.onDidDismiss((task)=>{
      if(task){
        this.tasks[index] = task;
      }
    });
    editModal.present();
  }

  /**
   * 标记待办事项
   * @param slidingItem 
   * @param task 
   */
  markAsDone(slidingItem: ItemSliding,task: Task){
    task.status = "done";
    this.httpData.updateTask(task).subscribe();
    slidingItem.close();
  }
  /**
   * 删除待办事项
   * @param slidingItem 
   * @param task 
   */
  removeTask(slidingItem: ItemSliding,task: Task){
    task.status = "removed";
    let index = this.tasks.indexOf(task);
    if(index>-1){
      this.tasks.splice(index,1);
    }
    this.httpData.deleteTask(task).subscribe();
    slidingItem.close();
  }

  /**
   * 下拉刷新
   * @param refresh 
   */
  doRefresh(refresh: any){
    setTimeout(() => {
      this.httpData.getTaskList().subscribe(tasks => {
        this.tasks = tasks;
      });
      refresh.complete();
    }, 2000);
  }

}
